The BGP Instability Report


The BGP Instability Report is updated daily. This report
was generated on 26 February 2026 06:27 (UTC+1000)


50 Most active ASes for the past 14 days

RANKASN             UPDs            %PrefixesUPDs/PrefixAS NAME
181514866084.47%1292937.64UNINET, MX
2165093483283.20%1462123.82AMAZON-02 - Amazon.com, Inc., US
3369031788101.64%1232145.14MT-MPLS, MA
43286081705441.57%615277.31Africa-on-Cloud-AS, ZA
554131300371.19%951368.81WAVENET-AS5413, GB
610620842020.77%345224.39Telmex Colombia S.A., CO
739891811030.74%496916.32ALJAWWALSTC-AS, SA
8265303769140.71%431788.70BRASIL TECPAR | AMIGO | AVATO, BR
924164668310.61%263254.11UBBNET-AS-TW UNION BROADBAND NETWORK, TW
1044244640830.59%245526.10IRANCELL-AS, IR
1120473588460.54%161736.39AS-VULTR - The Constant Company, LLC, US
1238841574500.53%431133.29KBRO-AS-TW kbro CO. Ltd., TW
13203020573350.53%161535.50HOSTROYALE, IN
149829544290.50%188928.81BSNL-NIB National Internet Backbone, IN
15335533410.49%224238.13DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
167821524930.48%173087.82ZAYO-MN - Inteliquent, inc., US
1736992423060.39%184822.89ETISALAT-MISR, EG
1812479420490.39%73055.76UNI2-AS, ES
1918403419670.39%45749.18FPT-AS-AP FPT Telecom Company, VN
20400619399300.37%72655.00AROSS-AS - AROSSCLOUD INC., US
2129465359120.33%41486.74VCG-AS, NG
22207990348000.32%110231.58HR-CUSTOMER, IN
2336914337430.31%58158.08KENET-AS, KE
24212238321690.30%264412.17CDNEXT, GB
2558224318220.29%188916.85TCI, IR
267552309180.28%40717.59VIETEL-AS-AP Viettel Group, VN
27647309120.28%48364.00DNIC-ASBLK-00616-00665 - United States Department of Defense DoD, US
28197207300030.28%93032.26MCCI-AS, IR
299924289990.27%54952.82TFN-TW Taiwan Fixed Network, Telco and Network Service Provider., TW
3055410288300.26%118724.29VIL-AS-AP Vodafone Idea Ltd, IN
3113999287230.26%249611.51Mega Cable, S.A. de C.V., MX
3213188278540.26%160717.33TRIOLAN, UA
339808274790.25%138291.99CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
344760272200.25%47557.31HKTIMS-AP HKT Limited, HK
353491266040.24%49054.29CONSOLE-CONNECT-ASN - PCCW Global, Inc., US
3617561259470.24%32627.95LCS-AS-AP LARUS Limited, HK
3742337248320.23%74033.56RESPINA-AS, IR
3811830243680.22%199212.23Instituto Costarricense de Electricidad y Telecom., CR
39149038240140.22%212007.00UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
409009234200.21%39255.97M247, RO
4114593232750.21%144116.15SPACEX-STARLINK - Space Exploration Technologies Corporation, US
4222773227450.21%47944.74ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US
4318186226030.21%58338.77NEBULA-GLOBAL - Nebula Global LLC, US
4445271225720.21%40056.43VIL-AS-AP Vodafone Idea Ltd, IN
458452225070.21%175012.86TE-AS TE-AS, EG
465972219530.20%143215.33DNIC-ASBLK-05800-06055 - United States Department of Defense DoD, US
47132203216330.20%105620.49TENCENT-NET-AP-CN Tencent Building, Kejizhongyi Avenue, CN
4838444214430.20%65329.89SUPERBROADBANDNETWORK-AS-AP Super Broadband Network, TH
49204170214150.20%55738.45AWASR, OM
5037294212370.19%139152.78TNM, MW
Total 298755827.44%

50 Most active ASes for the past 14 days

RANKASN             UPDs/Prefix         %PrefixesUPDs   AS NAME
114903812007.00.22%224014UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
21362255355.50.10%210711SMARTTELECOM-AS-AP Smart Telecom, PK
32138124171.00.08%28342ALFATEH, SY
479543734.70.10%311204IMMENSE-NETWORKS - Immense Networks, LLC, US
5294693664.50.07%27329GTU Khmelnitsky, Ukraine, UA
6518973421.00.03%13421MIHAN, IR
72109153136.00.03%13136DOMINIKPASTO, CZ
878213087.80.48%1752493ZAYO-MN - Inteliquent, inc., US
9576702767.00.15%616602ASOPENWAY, UA
10401382751.00.13%513755MDNET - Mach Dilemma, LLC, US
112724992094.00.02%12094SSP - SERVICOS DE INFORMATICA E TELECOM LTDA., BR
121994912022.00.02%12022SOUTH-TELEKOM, UA
132653031788.70.71%4376914BRASIL TECPAR | AMIGO | AVATO, BR
142655661773.00.05%35319TELESISTEMAS PENINSULARES SA DE CV, MX
152101001689.00.02%11689SQ5WEP Network. ASN used for homelab, research, education, and networking projects., PL
161507901651.00.03%23302NU-AS-AP Nu Internet Private Limited, PK
172744981565.00.01%11565M B LOPES NET-ME, BR
18290521429.00.01%11429LYCOS-AS Lykos group is among the pioneers that shape the printing market, AT
19133411422.60.07%57113TRANQUILITY - Tranquility Internet Services Inc., US
204010171417.00.01%11417AAICE-ASN - AAICE, US
2154131368.81.19%95130037WAVENET-AS5413, GB
22245241352.00.01%11352IDNIC-KALTIMPROV-AS-ID Pemerintah Daerah Provinsi Kalimantan Timur, ID
2386131350.30.04%34051WAVENET-AS8613, GB
241973201342.00.01%11342NPA-AS, GB
25210741330.00.02%22660ASN-AT-VR22, IT
263953271314.00.01%11314BAYFEDCU - BAY FEDERAL CREDIT UNION, US
27367191282.00.01%11282MMU-53-AS-NET - Mount Mercy University, US
281472581228.00.01%11228DEIAGRA-AS-IN DAYALBAGH EDUCATIONAL INSTITUTE, IN
29337641197.00.03%33591AFRINIC-ZA-JNB-AS, MU
301991311195.00.01%11195CITY-OF-YORK-COUNCIL, GB
311469261157.00.01%11157LOTUSWT-AS-IN LOTUS WIRELESS TECHNOLOGIES INDIA PRIVATE LIMITED, IN
321536341146.50.02%22293CODENEXT-AS-AP CodeNext IT Solution, BD
33360291143.00.01%11143AS-SEARCHGUIDE - Akamai Technologies, Inc., US
341543631127.00.01%11127SOFTIMISTLIMITED-AS-AP Softimist Limited, BD
35157661041.10.14%1515617DOMICILIUM-AS, IM
363296271019.30.03%33058Wingu-Tanzania, TZ
37532871013.00.01%110135QCLOUD - 5Q Cloud, US
38269185981.50.04%43926Globalfiber Telecom LTDA, BR
39209224842.30.05%65054LBBW-NETWORK-AS, DE
4034928803.80.03%43215REGIOITAACHEN, DE
4128657787.30.02%32362MD Brasil - Tecnologia da Informacao Ltda, BR
42154112771.70.02%32315NEXELOGYLTD-AS-AP Nexelogy Ltd., BD
43200534754.00.01%21508MSERWIS-AS, PL
4456590750.00.01%1750RBO-NET, PL
4556644736.00.01%21472SYNFS-AS, GB
46197730703.40.06%96331BWE-CAPITAL, VG
4740747699.00.02%32097HSINYIPTELTD-AS-AP Hsin Yi Pte Ltd, US
4847432688.00.01%1688KLINIKUMFD, DE
49265046686.30.02%32059NET-MAIS INFORMATICA, BR
5017866686.00.01%
Total 91442.14.22%

50 Most active Prefixes for the past 14 days

RANKPREFIX           UPDs            %Origin AS -- AS NAME
1103.177.87.0/24120290.11%149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
2103.177.86.0/24119850.11%149038 -- UCGCL-AS-AP UNIQUE COMM GROUP COMPANY LIMITED, MM
3201.87.153.0/24115120.10%265303 -- BRASIL TECPAR | AMIGO | AVATO, BR
4207.167.116.0/22111900.10%7954 -- IMMENSE-NETWORKS - Immense Networks, LLC, US
5200.150.164.0/24111790.10%265303 -- BRASIL TECPAR | AMIGO | AVATO, BR
6200.150.165.0/24111760.10%265303 -- BRASIL TECPAR | AMIGO | AVATO, BR
7200.150.174.0/24110890.10%265303 -- BRASIL TECPAR | AMIGO | AVATO, BR
8201.87.149.0/24109060.10%265303 -- BRASIL TECPAR | AMIGO | AVATO, BR
9103.84.53.0/24107020.10%136225 -- SMARTTELECOM-AS-AP Smart Telecom, PK
10130.137.231.0/24106860.10%16509 -- AMAZON-02 - Amazon.com, Inc., US
11124.195.190.0/24104520.09%38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
1255.74.57.0/24102710.09%335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
1355.74.56.0/24102380.09%335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
1455.67.56.0/24100110.09%335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
1555.27.217.0/24100080.09%335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
1655.27.56.0/24100020.09%335 -- DNIC-ASBLK-00306-00371 - United States Department of Defense DoD, US
17186.83.117.0/2487550.08%10620 -- Telmex Colombia S.A., CO
18173.82.125.0/2486550.08%16509 -- AMAZON-02 - Amazon.com, Inc., US
19130.137.108.0/2486140.08%16509 -- AMAZON-02 - Amazon.com, Inc., US
20130.137.12.0/2485090.08%16509 -- AMAZON-02 - Amazon.com, Inc., US
21130.137.230.0/2474570.07%16509 -- AMAZON-02 - Amazon.com, Inc., US
2284.205.66.0/2473520.07%12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
23173.82.66.0/2471670.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
24130.137.219.0/2471580.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
25199.47.232.0/2271050.06%13341 -- TRANQUILITY - Tranquility Internet Services Inc., US
26130.137.80.0/2470170.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
27130.137.79.0/2469920.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
28130.137.118.0/2469290.06%8987 -- AWS-GOVCLOUD AWS-GOVCLOUD, IE
29130.137.63.0/2469240.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
30130.137.111.0/2469150.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
31130.137.227.0/2468770.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
32130.137.28.0/2467420.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
33173.82.63.0/2467230.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
34173.82.108.0/2466990.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
35130.137.124.0/2466720.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
36193.105.156.0/2466300.06%8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
37130.137.89.0/2466190.06%14618 -- AMAZON-AES - Amazon.com, Inc., US
38130.137.105.0/2465770.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
39173.82.67.0/2465700.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
40130.137.16.0/2465530.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
41130.137.150.0/2465010.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
42130.137.130.0/2464850.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
43130.137.81.0/2464720.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
44195.114.123.0/2464640.06%8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
45130.137.99.0/2464500.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
46130.137.47.0/2464460.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
47195.114.122.0/2464290.06%8369 -- INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
48130.137.140.0/2464190.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
49130.137.141.0/2464120.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
50130.137.147.0/2463630.06%16509 -- AMAZON-02 - Amazon.com, Inc., US
Total 4100883.70%

14 Day BGP Profile: 12-February-2026 00:00 - 25-February-2026 23:59 (UTC+1000)

Number of BGP Update Messages:  30827626
Number of Prefix Updates:  10895816
Number of Prefix Withdrawals:  303987
Average Prefixes per BGP Update:  0.36
Average BGP Update Messages per second:  25.49
Average Prefix Updates per second:  9.26
Peak BGP Update Message Rate per second:  80094  (12:58:22 Thu, 19-Feb-2026)
Peak Prefix Update Rate per second:  686  (12:26:22 Sun, 15-Feb-2026)
Peak Prefix Withdraw Rate per second:  23515  (12:07:33 Tue, 17-Feb-2026)
Prefix Count:  1078496
Updated Prefix Count:  1057311
Stable Prefix Count:  21185
Origin AS Count:  78054
Updated Origin AS Count:  77242
Stable Origin AS Count:  812
Unique Path Count:  566589
Updated Path Count:  457653
Stable Path Count:  108936


 

Hourly Average of Per-Second Updated and Withdrawn Prefix Rate

Hourly Peak of Per-Second Updated and Withdrawn Prefix Rate

Hourly Average Per-Second Updated Prefix Rate by Update Type

Hourly Peak of Per-Second Updated Prefix Rate by Update Type

 

BGP Table Activity

Cumulative Distribution of per-Prefix and per-AS Updates


Notes

The data has been gathered using a single eBGP peering with AS 131072. The observations of BGP path change are relative to this observation point. The updates are generated by a Quagga BGP implementation providing a timestamped log of incoming update messages. The timezone of this monitoring point is UTC+1000. Updates are processed on a 24 hour cycle.